23540961 has 8 divisors (see below), whose sum is σ = 31436640. Its totient is φ = 15669632.

The previous prime is 23540939. The next prime is 23540969. The reversal of 23540961 is 16904532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23540961 - 2¹⁸ = 23278817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23540969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3696 + ... + 7793.

It is an arithmetic number, because the mean of its divisors is an integer number (3929580).

Almost surely, 2^23540961 is an apocalyptic number.

It is an amenable number.

23540961 is a deficient number, since it is larger than the sum of its proper divisors (7895679).

23540961 is a wasteful number, since it uses less digits than its factorization.

23540961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 23540961 is about 4851.9028226048. The cubic root of 23540961 is about 286.5990386411.

The spelling of 23540961 in words is "twenty-three million, five hundred forty thousand, nine hundred sixty-one".